Chersky Vitalya

1. a device for connecting electrical circuits to each other
3. device used to protect against radiation
4. Made from very pure silica fibre is surrounded by a similar glass sheath
5. fiber-based optical fiber cable designed for transmitting optical signals in communication lines
7. An artificial or natural guide channel in which the wave can propagate.
11. A part or feature or way of considering something
13. A means for separating, isolating, or delineating something from the rest of the environment
14. The deterioration of the communication signal
15. Signal receiving device
17. The process of mechanical interaction of touching bodies with their relative displacement in the plane of contact
19. Convert from one format to another.

2. A system that uses reflected radio waves to detect objects and measure their distance and speed
4. Material that covers the surface of something and protects it
6. wound together into a single strand
8. A device designed to emit or receive radio waves.
9. The mutual increase or decrease in the resulting amplitude of two or more coherent waves when they overlap.
10. Vector physical quantity that characterizes the speed of movement and the direction of movement of a material point relative to the selected reference frame
12. An electrical product that serves to connect an electric current source to a consumer
16. An electrical cable consisting of a central conductor and a shield arranged coaxially and separated by an insulating material or an air gap.
18. The type of wires that are together